Senior Snowflake Developer

About the project

This initiative is centered on a large scale data platform migration from MySQL to Snowflake.

The work includes end to end Snowflake architecture, resilient ingestion pipelines, and improved engineering practices such as CI and CD, testing, and version controlled SQL.

This is how we organize our work

Team size

1-10

This is how we work

• you focus on a single project at a time
• you have influence on the technological solutions applied
• you focus on product development
• agile

Team members

• backend developer
• technical leader
• architect
• devOps
• data scientist
• project manager

Your responsibilities

• Plan and contribute to the migration of data workloads from MySQL to Snowflake
• Design end to end Snowflake architecture for the target data platform
• Develop and rebuild ETL and ELT workflows for hundreds of complex sales file formats
• Build resilient ingestion pipelines for complex, messy, or irregular file formats
• Contribute to CI and CD, testing, and version controlled SQL practices for data workflows
• Support performance and cost optimisation across Snowflake workloads
• Collaborate with cross functional teams on migration, architecture, and delivery activities

Our requirements

• 3+ years of hands on Snowflake engineering experience, including tables, stages, file formats, tasks, streams, and Snowflake SQL
• Strong understanding of ELT and ETL pipeline design in a cloud data warehouse environment
• Proven experience migrating data workloads from relational databases such as MySQL or PostgreSQL to Snowflake or a similar platform
• Experience with data transformation frameworks such as DBT, Airflow, Airbyte, or equivalent
• Proficiency in SQL and at least one scripting language, with Python preferred
• Experience working with complex, messy, or irregular file formats and building resilient ingestion pipelines
• Solid understanding of CI and CD for data workflows using GitHub Actions, GitLab CI, or similar tools
• Familiarity with data modelling best practices such as Kimball, Data Vault, or staging refined gold patterns

Optional

• Experience with AWS Bedrock AgentCore Identity as an early adopter or equivalent
• Experience with AWS AgentCore Gateway outbound authorization integration
• Exposure to MCP or A2A tool invocation authentication patterns
• Exposure to AgentCore Policy using Cedar or AWS Verified Permissions

What we offer

• Vacation days: Up to 26 business days per year
• 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types
• Health and life insurance (Luxmed)
• MyBenefit platform with Multisport option
• Internal psychological support service
• English language classes from the first working day
• Access to external learning platforms: O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training
• Flexible workplace: work from the office, from home, or choose a hybrid option
• Tech Skills Mentoring Program
• Opportunities to develop as a public speaker, mentor, or technical interviewer
• Certification reimbursement (AWS, GCP, Microsoft, etc.)

This is how we work on a project

• code review
• Continuous Deployment
• Continuous Integration
• documentation
• test automation
• testing environments

Development opportunities we offer

• substantive support from technological leaders
• technical knowledge exchange within the company
• time for development of your ideas

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of foreign language classes
• sharing the costs of professional training & courses
• life insurance
• remote work opportunities
• flexible working time
• corporate products and services at discounted prices
• integration events
• employee referral program
• extra leave

DataArt Poland sp. z o.o.

Our client is a global leader in the music and entertainment industry, known for its extensive portfolio of iconic artists, innovative digital initiatives, and large‑scale technology‑driven operations.